2501793

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 4523520

約数和(自身を除く): 2021727

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 61, 63, 93, 147, 183, 189, 217, 279, 427, 441, 549, 651, 837, 1281, 1323, 1519, 1647, 1891, 1953, 2989, 3843, 4557, 5673, 5859, 8967, 11529, 13237, 13671, 17019, 26901, 39711, 41013, 51057, 80703, 92659, 119133, 277977, 357399, 833931, 2501793]

約数ペア:

[(1, 2501793), (3, 833931), (7, 357399), (9, 277977), (21, 119133), (27, 92659), (31, 80703), (49, 51057), (61, 41013), (63, 39711), (93, 26901), (147, 17019), (183, 13671), (189, 13237), (217, 11529), (279, 8967), (427, 5859), (441, 5673), (549, 4557), (651, 3843), (837, 2989), (1281, 1953), (1323, 1891), (1519, 1647)]